<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <!-- 引入ElementUI样式 -->
    <link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
    <script src="https://unpkg.com/vue/dist/vue.js"></script>
    <!-- 引入ElementUI组件库 -->
    <script src="https://unpkg.com/element-ui/lib/index.js"></script>
</head>
<body>
    <div id="app">
        <el-button :plain="true" @click="open1">消息</el-button>
        <el-button :plain="true" @click="open2">成功</el-button>
        <el-button :plain="true" @click="open3">警告</el-button>
        <el-button :plain="true" @click="open4">错误</el-button>
        <el-button :plain="true" @click="open5">冗余</el-button>
    </div>
    <script>
        new Vue({
            el:'#app',
            methods:{
                /*
                $message:既可以是参数,也可以是方法
                */
                open1() {
                    this.$message('这是一条消息提示');
                },
                open2() {
                    this.$message.success( '恭喜你，这是一条成功消息');
                },
                open3() {
                   this.$message.warning('this is a warning message');
                },
                open4() {
                    this.$message.error('错了哦，这是一条错误消息');
                },
                open5() {
                    this.$message({
                        message: '一般不用此方法',
                        type: 'warning'
                    });
                },
            }
        });
    </script>
</body>
</html>